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BOSTON MARATHON 2023

Robert Freni

Bib: 31924•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:47/mi
27:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
51:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:15:27
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:39:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:44:48
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:04:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:30:35
↑ 181↓ 1480.2%
20M
8:48/mi
2:42:33
↑ 64↓ 500.2%
21M
10:09/mi
2:52:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:28/mi
2:59:02
↑ 17↓ 861.7%
23M
9:29/mi
3:10:55
↑ 23↓ 630.6%
24M
8:29/mi
3:19:24
↓ 821.3%
40K· 24.85 mi
10:46/mi
3:28:36
↓ 200.3%
25.2M
11:04/mi
3:32:25
↑ 13↓ 160.2%
Finish· 26.22 mi
9:12/mi
3:41:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:48
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:57:00
Pace8:56 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1527:168:4727:16
8:47
-
10K
6.21 mi12:13:4951:508:2124:34
7:54
-0:53
15K
9.32 mi12:37:261:15:278:0623:37
7:36
-0:18
20K
12.43 mi13:01:371:39:388:0124:11
7:47
+0:11
Half
13.11 mi13:06:471:44:488:005:10
7:34
-0:13
25K
15.53 mi13:26:152:04:168:0019:28
8:02
+0:28
30K
18.64 mi13:52:342:30:358:0526:19
8:28
+0:26
20M
20.00 mi14:04:322:42:338:0811:58
8:48
+0:20
21M
21.00 mi14:14:412:52:428:1310:09
10:09
+1:21
35K
21.75 mi14:21:012:59:028:146:20
8:28
-1:41
23M
23.00 mi14:32:543:10:558:1811:53
9:29
+1:01
24M
24.00 mi14:41:233:19:248:198:29
8:29
-1:00
40K
24.85 mi14:50:353:28:368:249:12
10:46
+2:17
25.2M
25.20 mi14:54:243:32:258:263:49
11:04
+0:18
Finish
26.22 mi15:03:473:41:488:289:23
9:12
-1:52

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:34 /mi

Average Pace

8:28 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:32

35% of race

Time at Steady Pace

1:39:50

45% of race

Time at Slower Pace

44:26

20% of race

Average Pace: 8:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:49:1527:168:4727:16
8:47
#19317
10K
6.21 mi12:13:4951:508:2124:34
7:54
#16784
15K
9.32 mi12:37:261:15:278:0623:37
7:36
#15088
20K
12.43 mi13:01:371:39:388:0124:11
7:47
#14231
Half
13.11 mi13:06:471:44:488:005:10
7:34
#14069
25K
15.53 mi13:26:152:04:168:0019:28
8:02
#13864
30K
18.64 mi13:52:342:30:358:0526:19
8:28
#13923
20M
20.00 mi14:04:322:42:338:0811:58
8:48
#14060
21M
21.00 mi14:14:412:52:428:1310:09
10:09
#14372
35K
21.75 mi14:21:012:59:028:146:20
8:28
#14397
23M
23.00 mi14:32:543:10:558:1811:53
9:29
#14670
24M
24.00 mi14:41:233:19:248:198:29
8:29
#14634
40K
24.85 mi14:50:353:28:368:249:12
10:46
#15060
25.2M
25.20 mi14:54:243:32:258:263:49
11:04
#15195
Finish
26.22 mi15:03:473:41:488:289:23
9:12
#15396
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19317118961189611026(Top 41%)8655(Top 57%)8655(Top 164%)
10K6.21 mi3.10 mi16784+253310996+90010996+90014039(Top 53%)9955(Top 66%)9955(Top 188%)
15K9.32 mi3.11 mi15088+169610351+64510351+64511026(Top 41%)8655(Top 57%)8655(Top 164%)
20K12.43 mi3.11 mi14231+8579995+3569995+35611601(Top 44%)8852(Top 58%)8852(Top 167%)
Half13.11 mi0.68 mi14069+1629929+669929+6610823(Top 41%)8549(Top 56%)8549(Top 162%)
25K15.53 mi2.42 mi13864+2059816+1139816+11312977(Top 49%)9348(Top 62%)9348(Top 177%)
30K18.64 mi3.11 mi13923-599812+49812+414113(Top 53%)9698(Top 64%)9698(Top 184%)
20M20.00 mi1.36 mi14060-1379839-279839-2715449(Top 58%)10190(Top 67%)10190(Top 193%)
21M21.00 mi1.00 mi14372-3129935-969935-9618525(Top 70%)11433(Top 75%)11433(Top 216%)
35K21.75 mi0.75 mi14397-259938-39938-315080(Top 57%)9906(Top 65%)9906(Top 187%)
23M23.00 mi1.25 mi14670-27310022-8410022-8418284(Top 69%)11251(Top 74%)11251(Top 213%)
24M24.00 mi1.00 mi14634+369976+469976+4614374(Top 54%)9478(Top 62%)9478(Top 179%)
40K24.85 mi0.85 mi15060-42610130-15410130-15421834(Top 82%)12746(Top 84%)12746(Top 241%)
25.2M25.20 mi0.35 mi15195-13510171-4110171-4120573(Top 77%)12180(Top 80%)12180(Top 230%)
Finish26.22 mi1.02 mi15396-20110231-6010231-6018929(Top 71%)11497(Top 76%)11497(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11026

Males

8655

M18-39

8655

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14039

Males

9955

M18-39

9955

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11026

Males

8655

M18-39

8655

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11601

Males

8852

M18-39

8852

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10823

Males

8549

M18-39

8549

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

12977

Males

9348

M18-39

9348

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14113

Males

9698

M18-39

9698

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15449

Males

10190

M18-39

10190

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18525

Males

11433

M18-39

11433

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15080

Males

9906

M18-39

9906

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18284

Males

11251

M18-39

11251

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14374

Males

9478

M18-39

9478

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21834

Males

12746

M18-39

12746

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20573

Males

12180

M18-39

12180

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18929

Males

11497

M18-39

11497

Passing Analysis

Category:
Athletes Passed
5952
Passed By
2031
Net Change
+3921
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19317
5K → 10K25396+2533#19317#16784
10K → 15K16993+1696#16784#15088
15K → 20K8625+857#15088#14231
20K → Half1620+162#14231#14069
Half → 25K24439+205#14069#13864
25K → 30K168227-59#13864#13923
30K → 20M56193-137#13923#14060
20M → 21M22334-312#14060#14372
21M → 35K3560-25#14372#14397
35K → 23M26299-273#14397#14670
23M → 24M9357+36#14670#14634
24M → 40K10436-426#14634#15060
40K → 25.2M12147-135#15060#15195
25.2M → Finish24225-201#15195#15396
TOTALS59522031+3921
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing